Home / 15,254.92-21,035.46-9,578.44

Finding the Fourth Proportional to 15,254.92, 21,035.46 and 9,578.44

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Solution

The fourth proportional to 15,254.92, 21,035.46 and 9,578.44 is: 13,207.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254.92 : 21,035.46 = 9,578.44 : x
  2. Step 2: Convert to fraction form
    15,254.92/21,035.46 = 9,578.44/x
  3. Step 3: Cross multiply
    15,254.92x = 21,035.46 × 9,578.44
  4. Step 4: Simplify right side
    15,254.92x = 201,486,891.48
  5. Step 5: Solve for x
    x = 201,486,891.48/15,254.92
  6. Step 6: Final answer
    x = 13,207.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.